/* ===========================================================
   Blog — dronywedukacji.pl
   Wspólne style dla listy wpisów i wszystkich artykułów.
   Zmiana tutaj zmienia wygląd całego bloga naraz.
   =========================================================== */

:root{
  --ink:#0B1220; --ink-soft:#38435A; --muted:#5E6879;
  --line:#E3E7EE; --bg:#FFFFFF; --bg-soft:#F6F8FB;
  --lime:#C9F227; --lime-hover:#B8E015; --lime-deep:#4F6B00; --lime-tint:#F4FBE0;
  --sky:#DCE9F5; --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}

/* nagłówek */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:22px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.02em;
  font-size:15px;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:50%;display:block;flex:0 0 auto;
  box-shadow:0 0 0 1px rgba(11,18,32,.10)}
.logo .sep{width:1px;height:20px;background:currentColor;opacity:.25;margin:0 2px}
.nav-links{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink-soft);text-decoration:none;white-space:nowrap}
.nav-links a:hover{color:var(--ink)}
@media(max-width:820px){.nav-links a:not(.btn){display:none}}
/* bardzo wąskie telefony (320 px): ciaśniejszy nagłówek, żeby przycisk się zmieścił */
@media(max-width:400px){
  .nav{gap:10px}
  .logo{font-size:13.5px;gap:8px;min-width:0}
  .logo-mark{width:32px;height:32px}
  .logo .sep{display:none}
  .nav-links .btn-lime{padding:8px 13px;font-size:13px}
  .wrap,.narrow{padding:0 18px}
}

/* przyciski */
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;
  padding:13px 24px;border-radius:11px;font-weight:700;font-size:15px;border:0;cursor:pointer;
  font-family:inherit;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{background:#000;transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--ink);padding:9px 17px;font-size:14px}
.btn-lime:hover{background:var(--lime-hover);color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--ink)}

.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--lime-deep);background:var(--lime-tint);
  border:1px solid #E3F3B4;padding:6px 13px;border-radius:999px;margin-bottom:18px}
.mark{background:var(--lime);box-shadow:0 0 0 4px var(--lime);border-radius:3px}

/* lista wpisów */
.blog-hero{padding:clamp(48px,6vw,80px) 0 clamp(30px,4vw,44px);
  background:linear-gradient(180deg,var(--bg-soft),#fff);border-bottom:1px solid var(--line)}
.blog-hero h1{font-size:clamp(34px,6vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.06}
.blog-hero p{font-size:clamp(16px,2vw,19px);color:var(--ink-soft);max-width:56ch;margin-top:18px}

.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  padding:clamp(40px,5vw,64px) 0 clamp(56px,7vw,88px)}
.posts>*{min-width:0}
.post{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;
  transition:transform .2s,box-shadow .2s}
.post:hover{transform:translateY(-3px);box-shadow:0 16px 38px -22px rgba(11,18,32,.4)}
.post .thumb{aspect-ratio:16/9;background:linear-gradient(140deg,var(--sky),var(--lime-tint));
  border-bottom:1px solid var(--line)}
.post .thumb img{width:100%;height:100%;object-fit:cover}
.post .body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.post .meta{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.post h2{font-size:18px;font-weight:700;letter-spacing:-.015em;line-height:1.3}
.post p{font-size:14.5px;color:var(--ink-soft)}
.post .more{margin-top:auto;font-size:14px;font-weight:700;color:var(--ink)}
.post .more::after{content:" →"}
@media(max-width:900px){.posts{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.posts{grid-template-columns:1fr}}

/* artykuł */
article{padding:clamp(38px,5vw,64px) 0 clamp(56px,7vw,88px)}
.crumb{font-size:14px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line);
  display:inline-block;padding:4px 0}
.crumb a:hover{color:var(--ink)}
article h1{font-size:clamp(30px,4.6vw,46px);font-weight:800;letter-spacing:-.03em;line-height:1.12}
.byline{font-size:14px;color:var(--muted);margin-top:16px;padding-bottom:26px;border-bottom:1px solid var(--line)}
article h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;letter-spacing:-.02em;
  line-height:1.25;margin:38px 0 12px}
article h3{font-size:clamp(17px,2vw,20px);font-weight:700;margin:28px 0 8px}
article p{font-size:17px;color:var(--ink-soft);margin-bottom:16px}
article strong{color:var(--ink);font-weight:700}
article ul,article ol{margin:0 0 20px 0;padding-left:0;list-style:none;display:grid;gap:10px}
article ul li{position:relative;padding-left:28px;font-size:17px;color:var(--ink-soft)}
article ul li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;
  border-radius:2px;background:var(--lime)}
article ol{counter-reset:n}
article ol li{position:relative;padding-left:38px;font-size:17px;color:var(--ink-soft);counter-increment:n}
article ol li::before{content:counter(n);position:absolute;left:0;top:2px;width:25px;height:25px;
  border-radius:8px;background:var(--ink);color:var(--lime);display:grid;place-items:center;
  font-size:13px;font-weight:800;line-height:1}
article a{color:var(--ink);text-decoration:none;border-bottom:2px solid var(--lime)}
article a:hover{background:var(--lime)}
.note{background:var(--lime-tint);border:1px solid #E3F3B4;border-radius:var(--radius);
  padding:22px 24px;margin:28px 0}
.note p:last-child{margin-bottom:0}
.note .t{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--lime-deep);margin-bottom:8px}
/* wyróżniona oferta w treści artykułu */
.offer-box{position:relative;background:var(--ink);color:#fff;border-radius:20px;
  padding:clamp(26px,4vw,38px);margin:38px 0;overflow:hidden;
  box-shadow:0 26px 60px -38px rgba(11,18,32,.75)}
.offer-box::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 260px at 96% -10%, rgba(201,242,39,.22), transparent 60%)}
.offer-box>*{position:relative}
.offer-box .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink);background:var(--lime);
  padding:6px 14px;border-radius:999px;margin-bottom:18px}
.offer-box h2{color:#fff;margin:0 0 12px;font-size:clamp(22px,3vw,30px);letter-spacing:-.025em}
.offer-box p{color:#D9DEE7;font-size:16.5px;margin-bottom:14px}
.offer-box strong{color:#fff}
.offer-box ul{margin:18px 0 0 0}
.offer-box ul li{color:#D9DEE7;font-size:16px;padding-left:26px}
.offer-box ul li::before{background:var(--lime);top:10px}
.offer-box .row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.15)}
.offer-box .amt{font-size:clamp(28px,4vw,38px);font-weight:800;letter-spacing:-.035em;
  line-height:1.05;color:#fff}
.offer-box .amt span{display:block;font-size:13px;font-weight:600;letter-spacing:0;
  color:#A6B0BF;margin-top:6px}
.offer-box .btn-lime{padding:13px 24px;font-size:15px}
.offer-box .fine{font-size:13.5px;color:#A6B0BF;margin:16px 0 0}
.offer-box a.plain{color:#D9DEE7;border-bottom:1px solid rgba(201,242,39,.5);text-decoration:none}
.offer-box a.plain:hover{color:var(--lime)}

.cta-box{background:var(--ink);color:#fff;border-radius:var(--radius);
  padding:clamp(26px,4vw,38px);margin-top:48px}
.cta-box h2{color:#fff;margin:0 0 10px}
.cta-box p{color:#AEB7C6}
.cta-box .btn{margin-top:10px}
.figure{margin:28px 0}
.figure .ph{aspect-ratio:16/9;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(140deg,var(--sky),var(--lime-tint));display:grid;place-items:center;
  text-align:center;font-size:13px;font-weight:600;color:var(--muted);padding:20px}
.figure figcaption{font-size:13.5px;color:var(--muted);margin-top:10px}

/* stopka */
footer{background:var(--ink);color:#fff;padding:clamp(44px,5vw,64px) 0 30px}
footer p{color:#AEB7C6;font-size:15px}
footer a{color:#DDE3EC;text-decoration:none;font-size:15px;
  display:inline-block;padding:4px 0}
footer a:hover{color:var(--lime)}
.f-logo{width:200px;height:auto;margin-bottom:22px}
.f-bottom{margin-top:32px;padding-top:22px;border-top:1px solid #1F2A3F;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#7C879A}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}